TextDisplayHelper

java.lang.Object
- ptolemy.actor.lib.jjs.HelperBase
- - ptolemy.actor.lib.jjs.modules.textDisplay.TextDisplayHelper

```
public class TextDisplayHelper
extends HelperBase
```
Helper for the textDisplay JavaScript module. This causes a window to open that is used to display the text. The window can be resized and repositioned and the size and position will be remembered.

Since:

Ptolemy II 11.0

Version:

$Id$

Author:

Edward A. Lee, based on DisplayJavaSE.

Pt.AcceptedRating:

Red (cxh)

Pt.ProposedRating:

Yellow (eal)

Nested Class Summary
- Nested classes/interfaces inherited from class ptolemy.actor.lib.jjs.HelperBase
  HelperBase.DATA_TYPE

Field Summary

Fields
Modifier and Type Field Description

javax.swing.JTextArea textArea
The text area in which the data will be displayed.
- Fields inherited from class ptolemy.actor.lib.jjs.HelperBase
  _actor, _currentObj

Constructor Summary

Constructors
Constructor	Description
`TextDisplayHelper(java.lang.Object actor, jdk.nashorn.api.scripting.ScriptObjectMirror currentObj)`	Create a text display with no title.
`TextDisplayHelper(java.lang.Object actor, jdk.nashorn.api.scripting.ScriptObjectMirror currentObj, java.lang.String title)`	Create a text display with the specified title.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`appendText(java.lang.String text)`	Append to any text already displayed starting on a new line.
`void`	`displayText(java.lang.String text)`	Display text.

Methods inherited from class ptolemy.actor.lib.jjs.HelperBase
_appendNumericToBuffer, _appendToBuffer, _error, _error, _error, _error, _extractFromBuffer, _issueResponse, _removeDuplicates, _sizeOfType, _toJavaBytes, _toJSArray, getHelping

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - textArea
```
public transient javax.swing.JTextArea textArea
```
    The text area in which the data will be displayed.
- Constructor Detail
  - TextDisplayHelper
```
public TextDisplayHelper(java.lang.Object actor,
                         jdk.nashorn.api.scripting.ScriptObjectMirror currentObj)
```
    Create a text display with no title.
    
    Parameters:
    
    actor - The JavaScript actor associated with this helper.
    
    currentObj - The JavaScript object that this is helping (a TextDisplay).
  - TextDisplayHelper
```
public TextDisplayHelper(java.lang.Object actor,
                         jdk.nashorn.api.scripting.ScriptObjectMirror currentObj,
                         java.lang.String title)
```
    Create a text display with the specified title.
    
    Parameters:
    
    actor - The JavaScript actor associated with this helper.
    
    currentObj - The JavaScript object that this is helping (a TextDisplay).
    
    title - A title to associate with the display.
- Method Detail
  - appendText
```
public void appendText(java.lang.String text)
```
    Append to any text already displayed starting on a new line.
    
    Parameters:
    
    text - The text to be displayed.
  - displayText
```
public void displayText(java.lang.String text)
```
    Display text.
    
    Parameters:
    
    text - The text to be displayed.